Air mattress
US8127386B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2008 |
| Grant date | Mar 6, 2012 |
| Priority date | — |
| Expiry date | Jan 22, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G7/05715
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In an air mattress (1) including a plurality of levels of air mattress layers (5, 7) which are vertically stacked, in each of the levels of air mattress layers (5, 7), flexible hollow air cells (43, 23) each extending along the width of the air mattress (1) are arranged in parallel with each other in the longitudinal direction of the air mattress (1), air cells (43, 23) in each of the upper air mattress layer (7) and the lower air mattress layer (5) are divided into a plurality of groups such that the air cells (43, 23) are expanded or contracted in units of the groups by supplying or discharging air to/from these air cells (43, 23).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.